“She blew into his mouth and he slowly started to come round. He was really cold.”

Alfie was rushed to hospital and it was later discovered that he was born with a rare condition called Autosomal Dominant Hypocalcemia (ADH) that prevents a person’s from absorbing the nutrient calcium.

The most common symptoms include muscle spasms in the hands and feet and cramping, or tingling, in various parts of the body.

But for those who are severely affected, like Alfie, the condition can cause seizures that stop breathing.